Cassette operated music box



FIG. 1 is a front, top and right side perspective view of a cassette operated music box showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a cassette operated music box, substantially as shown and described. 